The purpose of this mail library is to provide a portable, efficient
middleware for different kinds of mail access. When using the drivers
interface, the interface is the same for all kinds of mail access,
remote and local mailboxes.

It will be used for low-level mail handling:
- network protocols over TCP/IP and SSL / TCP/IP (including IPv6)
	+ IMAP
	+ NNTP
	+ POP3
	+ SMTP
	+ Hotmail
- local storage
	 mbox, MH, maildir
- message / MIME parser
